baber/WOPTO huggingface dataset:
Patent JP-H0311954-A (JP)
Title: Assembly of combination driving motor and gearing
Inventor: MAARON ROIDO RABU
IPC: H02K7/116
Filed: 1990-05-10
Abstract: PURPOSE: To make compact a motor and a gear device with respect to a driven member by forming a single tubular housing integrally with a ring gear for planetary gear train in the wall thereof. CONSTITUTION: Planetary gear trains 52, 54 are housed in a gear chamber 16 and transmit power from the output shaft 34 of a motor to a driven member 56. Sun gear 58 of the planetary gear train 52 is formed integrally at the end part of the output shaft 34. The planetary gear train 52 comprises a plurality of planetary gears 60 supported rotatably on a carrier 62 while meshing the sun gear 58 and a ring gear 64. The ring gear 64 is integral with the housing 12 and comprises gears made in the inner wall thereof. The carrier 62 of the gear train 52 drives a toothed shaft 66 forming the sun gear of the planetary gear train 54. The planetary gear train 54 comprises a planetary gear 68 supported rotatably on a carrier 70 while meshing a sun gear 66 and the ring gear 64.
Patent JP-S5346561-A (JP)
Title: Reduction gear for high speed rotation
Inventor: ISHIZAKA TEISUKE
IPC: F16H37/02
Filed: 1976-10-08
Abstract: PURPOSE:To provide a reduction gear that can reduce an input of an extremely high speed and a large horsepower and can output at a comparatively large reduction ratio, and besides is of compact type and has less noise.
Patent JP-S62280506-A (JP)
Inventor: TAKEDA TAIJI
IPC: F22D11/00
Filed: 1986-05-28
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S62278286-A (JP)
Title: Method for preventing corrosion of stainless steel by nitric acid
Inventor: SASAKI YUKO
IPC: G21C19/46
Filed: 1986-05-28
Abstract: PURPOSE:To prevent the corrosion of stainless steel which comes in contact with a nitric acid soln. contg. oxidative metallic ions and a heavy metal or a compound thereof by always regulating the surface potential of the stainless steel to a value in a passivation range. CONSTITUTION:Electric current is supplied to stainless steel in an environment in which the steel comes in contact with a nitric acid soln. contg. oxidating metallic ions and a heavy metal or a compound thereof from an external power source through an auxiliary electrode to regulate the surface potential of the stainless steel to 0.8-1V. A potentiostat may be used as the external power source and the auxiliary electrode may be made of an insoluble noble metal such as Pt or Au.
Patent JP-H01291658-A (JP)
Title: Gate drive circuit of gate turn-off thyristor
Inventor: SAOTOME HIDEO
IPC: H02M1/06
Filed: 1988-05-18
Abstract: PURPOSE:To prevent secondary accident by suppressing the switching element overvoltage which interrupts the current, when the OFF-gate current is interrupted in judging that a GTO thyristor is abnormal. CONSTITUTION:A gate power source 1 outputs three kinds of DC voltage V1-V3 to a gate drive circuit 10 from which the gate current IG to turn OFF a GTO thyristor 3 is given to the gate through a wiring inductance 4. The circuit 10 is equipped with smoothing reactors 11 and 21, capacitors 12 and 22, semiconductor switches 13, 15, 23, etc. Also provided are a circuit 31 to detect reverse bias voltage VG1 of the GTO thyristor 3, a pulse width comparison circuit 32 to decide whether or not the time from command to detection exceeded the maximum accumulated time of elements, a switching drive circuit 33 and a voltage cramp circuit 34 to suppress the occurrence of overvoltage. The output shortcircuit of the gate power supply can thereby be avoided.
Patent JP-H11309646-A (JP)
Title: Method and device for controlling servo motor in orbit working with bite tool
Inventor: HAMAMURA MINORU
IPC: G05B19/23
Filed: 1998-04-30
Abstract: PROBLEM TO BE SOLVED: To secure the synchronism of the feeding shaft control and the rotating angle control of a spindle by compensating a delay of the following of each feeding shaft to the control of a servo motor system for feed forward, and compensating a delay of the following of a spindle to the control of the motor servo system for feed forward. SOLUTION: A front end compensator as a feed forward compensating means for motor servo system for feeding shaft includes a moving front end compensator and a torsional front end compensator. Torsional deformation error of the torsional system is compensated by the feed forward compensation by the torsional front end compensator, and controlled to the rotating angle position of the feed screw as same as the inapt variable of the torsional front end compensator. A front end compensator 160 as a feed forward compensating means for spindle motor servo system includes a torsional front end compensator 164 and a front end compensator 160 for motor servo system. The torsional deformation error of the spindle is compensated by the feed forward compensation.
Patent JP-H01290473-A (JP)
Title: Paper-feeding mechanism
Inventor: TAKAHASHI TOSHIMI
IPC: B41J15/04
Filed: 1988-05-17
Abstract: PURPOSE:0To enable easy setting of a paper by disposing a pin tractor on the front side of a printer device. CONSTITUTION:A pin tractor 2 is disposed on the front side of a main body 1 of a printer device, at a position on the immediate upstream side of a printing head 3. A paper medium 4 can be inserted from the front side of the main body 1, is pushed up to a printing plane by driving the pin tractor 2, and is printed by a printing head 3.
Patent JP-2000308421-A (JP)
Title: Apparatus for stretching and opening or closing sheet
Inventor: KUWABARA TOSHIAKI
IPC: A01G9/24
Filed: 1999-04-28
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for stretching and opening or closing a sheet designed so that a tension can be added to the sheet when moving the sheet to the final position and dislocation or jumping of a moving member can be prevented. SOLUTION: This apparatus for stretching and opening or closing a sheet 1 is obtained by arranging a cam member 21 in an end of a moving member 9 or a crosspiece installed connectedly to the moving member 9 and is designed so that the cam member 21 is abutted on a second supporting member 14 or a frame 13 provided on this side of the second supporting member 14 to urge the moving member 9 in the downward rotational direction and a tension is applied to the sheet 1 when the moving member 9 is moved from the first supporting member 4 to the vicinity of the second supporting member 14 in the apparatus for stretching and opening or closing the sheet 1 comprising the pair of the first and the second supporting members 4 and 14 opposite to each other,  a track 8 installed between the two supporting members 4 and 14 and the moving member 9 movably mounted on the track 8 and capable of stretching or opening the sheet 1 between the two supporting members 4 and 14 utilizing the movement the moving member 9 along the track 8.
Patent JP-H06331813-A (JP)
Title: Production of optical parts
Inventor: GOSHO SHINICHIRO
IPC: G02B5/18
Filed: 1993-05-24
Abstract: PURPOSE:To provide the process for production of optical parts having diffraction gratings in which wax and solvents, such as hydrocarbon halide, are not used and production efficiency is enhanced. CONSTITUTION:The marginal end of a transparent substrate 1 formed with the diffraction gratings consisting of glass, quartz crystal, etc., is fixed by a fixing frame 2 and holding jig 3 which are fixing means. The transparent substrate 1 is put together with the fixing frame 2 into a water tank 4 and the fixing frame 2 is set on a frame rest 5. The water tank 4 is internally filled with pure water. The pure water is frozen by using a refrigerating device to fix the transparent substrate 1 by ice. The frozen water tank 4 is set in a cutting device and the transparent substrate 1 is cut vertically and horizontally by a diamond blade 6 which is a cutting means, by which the diffraction gratings are formed. The ice is thereafter thawed and the diffraction gratings are washed by the pure water, by which the products are obtd.
Patent JP-S61283332-A (JP)
Title: Heat generator for ultra-high pressure apparatus
Inventor: KUROYAMA YUTAKA
IPC: B01J3/06
Filed: 1985-06-06
Abstract: PURPOSE:To prevent the reduction in pressure seal effect, by electrically connecting not only an electric contact apparatus to a disc-shaped heater through a ring shaped heater but also the disc-shaped heater to a cylindrical heater. CONSTITUTION:A heat generator apparatus 10 is constituted by electrically connecting the heaters thereof, that is, a disc shaped heater 3 and ring shaped heaters 4 to an electric contact apparatus. Because of this, the specimen in a specimen chamber 1 is heated by supplying a current to said heaters. At this time, by varying the ratios of the cross-sectional areas of the ring shaped heater and that of the disc-shaped heaters 3 in the horizontal and vertical directions, a proper heating condition can be set. Because the electric contact apparatus scarcely heated to high temp., the reduction in pressure seal effect due to the rise in the temp. of a gasket can be prevented.
Patent JP-S5245264-A (JP)
Title: Process for production of semiconductor device
Inventor: TAKAYAMA HIROSHI
IPC: H01L23/48
Filed: 1975-10-07
Abstract: PURPOSE:To simplify process for production of semiconductor by fixing soldering chip for mounting element under pressure together with press molding.
Patent JP-S63287359-A (JP)
Title: Spike voltage step-down circuit
Inventor: FUWA MASAHIRO
IPC: H02M1/14
Filed: 1987-05-18
Abstract: PURPOSE:To step-down spike voltage, by connecting a series type output voltage stabilizing power circuit and this input/output capacitor, between the output terminal of a DC power source and the power input terminal of an electronic circuit. CONSTITUTION:A spike voltage reducing circuit 10 has a series type output voltage stabilizing power circuit (REG) 11 connected between an input side terminal A and an output side terminal C, a capacitor 12 connected between input terminals A, B, and a capacitor 13 connected between output terminals C, D; to a common line to which the input terminal B and the output terminal D are connected, the earthing terminal E of the REG 11 is connected to compose the circuit 10. As a result, spike voltage to an electronic circuit package at the time of activation insertion can be stepped down. Then, the time up to a steady-state value can be extremely shortened.
Patent JP-H07295557-A (JP)
Title: Main body internal structure of stringed instrument
Inventor: SAKAMOTO AKIRA
IPC: G10D1/00
Filed: 1994-04-21
Abstract: PURPOSE:To improve the acoustic characteristics of the stringed instrument by providing a phase inverting and radiating mechanism for a sound wave in the main body of the stringed instrument and radiating the sound source out of the main body. CONSTITUTION:The vibration of a top soundboard 21, obtained by strumming strings 25, moves the air in a sound passage 22 together and its weight operates as mass to cause resonance in cooperation with the spring operation of the air in the stringed instrument main body 23. The resonance is opposite in phase from the back surface of the top soundboard 21, so it is in phase with the sound in front of the for soundboard 21 to improve the characteristics in the low tone range. The sound passage 22 is constituted by fitting a detachable pipe in a hole bored in the front surface of the main body, replacing it and varying the hole diameter and length, and thus tuning the resonance frequency. Namely, the vibration of the stringed instrument surface diaphragm 21 can effectively be radiated including the back surface wave, so the acoustic characteristics of the stringed instrument can be improved.
Patent JP-S6016270-A (JP)
Inventor: IKEDA KAZUO
IPC: F25B5/00
Filed: 1984-06-15
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H02300637-A (JP)
Title: Method and apparatus for spectral analysis
Inventor: TAKIZAWA YUMI
IPC: G01H3/08
Filed: 1989-05-16
Abstract: PURPOSE:To exactly remove the analysis distortions of spectra, to decrease the processing quantity and to improve the follow-up characteristic to non- stationary signals by removing the high-frequency component of the signal product of calculated time series signals to determine an instantaneous covariance value and calculating the frequency spectral of the time series signal from this instantaneous covariance value. CONSTITUTION:This apparatus has a distortion removing covariance calculating section 10 which is a 1st computing means to calculate the covariance value from the time series signal, a reflection coefft. calculating section 13 which is a 2nd computing means to calculate the frequency spectral of the time series signal from the covariance value, a prediction coefft. calculating section 14, a prediction residual calculating section 15 and a spectrum calculating section 16. The calculating section 10 is constituted of a signal product calculating section 11 which calculates the signal product of the time series signal and a distortion removing filter 12 which determines the signal product of the instantaneous covariance value and applies the instantaneous covariance value in place of the covariance value to the 2nd computing means.
Patent JP-H02300669-A (JP)
Title: Frequency alalyzing device
Inventor: NAKAGUCHI TOMOYUKI
IPC: G01R23/17
Filed: 1989-05-15
Abstract: PURPOSE:To detect signal light at a high signal-to-noise ratio by converging the projection light of a semiconductor laser array on a photodetector. CONSTITUTION:A DC current which is larger than a threshhold current is im pressed to a master laser 14, which oscillates, for example, light with wavelength lambda0. When this oscillation is made incident on a slave laser 15, the frequency of the oscillation light of the laser 15 is pulled in the frequency of the incident light and becomes equal to that of the incident light. The oscillation light of the laser 15 is guided in the 1st gain waveguide type optical waveguide of the semiconductor laser array 16. Then the projection light from the array 16 is converged by a condenser lens 17 and a photodetector 8 is installed at the convergence point to know variation in the projection angle theta of the projec tion light as a shift in the position of the convergence point on the photodetector 8. Namely, the detector 8 detects the position of the convergence point to find the angle theta and then find the frequency of an electric signal modulating the master laser 14.
Patent JP-S5823261-A (JP)
Title: Control device of exhaust gas recirculation in internal combustion engine
Inventor: KAWAMURA YOSHIHISA
IPC: F02B3/06
Filed: 1981-08-04
Abstract: PURPOSE:To always perform exhaust gas recirculation (EGR) control suitable for an operational state, by duty controlling valve openings of both EGR control valve and intake throttle valve. CONSTITUTION:To variably control an exhaust gas recirculation (EGR) control valve 6 and intake throttle valve 7 independently of each other, two control solenoid valves 20 and 21 are equipped. The control solenoid valves 20, 21 are opened and closed in an on-off state by a frequency of normally about 30-50Hz, and proportion of the on-off time (control duty) is controlled by a pulse signal from a control circuit built in with a microprocessor. Signals, corresponding to engine speed, engine load or cooling water temperature and the like, are input to the control circuit 30, on the basis of this input, output signals S1, S2 are controlled in such a manner as to obtain an optimum EGR state.
Patent JP-H09271315-A (JP)
Title: Heat-treatment of discharged blood of livestock or the like and device therefor
Inventor: DOKOU MICHIO
IPC: A22B7/00
Filed: 1996-04-09
Abstract: PROBLEM TO BE SOLVED: To provide a method for heat-treating a blood of a livestock, etc., capable of preventing the generation of foul smell and a device from the scorching of the blood component by continuously heat-treating the discharged blood, and a device therefor. SOLUTION: This method for heat treating a discharged blood of a livestock, etc., is to fill a boiling vessel 1 with water, heat the water close to boiling point thereof, rotate a screw conveyer 2, charge the blood 41 from a charging port 4 and at the same time inject a steam 51 form a steam injecting port 5, transfer the blood 41 in a direction to an opening part 11 by a rotation of the screw conveyer 2, discharge the gelled blood component 41a from the opening part 11, and separate the blood component 41a from water in a separating vessel.
Patent JP-H10310678-A (JP)
Title: Thermosetting resin composition
Inventor: AIZAWA TERUKI
IPC: B32B27/00
Filed: 1997-05-13
Abstract: PROBLEM TO BE SOLVED: To obtain a thermosetting resin compsn. excellent in flexibility and adhesion to a substrate, by forming it from at least one compd. having a dihydrobenzoxazine ring and an elastomer. SOLUTION: A heat-resistant resin having a dihydrobenzoxazine ring used in the compsn. can be synthesized from the corresponding compd. having a phenolic hydroxyl group, Formalin(R), and a prim. amine according to the formula. This resin undergoes ring-opening polymn. when heated to form a crosslinked structure with excellent characteristics while forming phenolic hydroxyl groups without generating volatile components. Pref. examples of the elastomer used are an NBR, a polyurethane, a polyamide, an acrylic rubber, and derivs. of these polymers having reactive functional groups, such as epoxy, hydroxyl, carboxyl, amino, or isocyanate groups, at the side chains or terminals of the backbone. The elastomer may be liq. or solid, may be a gel having a crosslinked structure, and is used in an amt. of 2-50 wt.% when it is solid and in an amt. of 2-30 wt.% when it is liq.
Patent JP-H08308482-A (JP)
Title: Apparatus for freezing article
Inventor: ARAI MADOKA
IPC: F25C1/00
Filed: 1995-05-22
Abstract: PURPOSE: To provide an apparatus for freezing an article capable of miniaturizing the apparatus for freezing and surely freezing the article in a short time. CONSTITUTION: This apparatus for freezing an article is obtained by housing troughlike flow passages 2a and 2b in two upper and lower stages for forming a flow passage for a low-temperature liquefied gas fed from a low-temperature liquefied gas feeding part 1, a charging part 3 for the article A to be frozen provided on the upstream side of the troughlike flow passage 2a in the upper stage, a separating part 4 installed at the terminal end of the troughlike flow passage 2b in the lower stage, a liquid recovering part 5 for recovering the low-temperature liquefied gas separated in the separating part 4, a frozen article container 6 for receiving the resultant frozen article B and a pump 7 for circulating the low-temperature liquefied gas recovered in the liquid recovering part 5 to the low-temperature liquefied gas feeding part 1 in a cold insulating tank 8.
Patent JP-H08317105-A (JP)
Title: Information reproducing device
Inventor: IMAIDE SHINICHI
IPC: H04N1/00
Filed: 1995-05-22
Abstract: PURPOSE: To create a pleasant environment in which a visual interface is unified to be a TV monitor or the like and the user progresses an information entry job while notifying the interface only. CONSTITUTION: The information reproducing device is a device to reproduce multimedia-information of a printed matter 12 on which the information is recorded in optically readable codes. The device is provided with a TV camera 1 picking up the printed matter 12 and a code reader 6 reading codes of the printed matter 12 and also at least with a code reader position detection section 3 detecting a position of the code reader 6 and with an image output section 4 providing an output of received image information and providing an output of the image reproduced by the code reader 6 to an output position depending on the position of the code reader 6.
Patent JP-S5926275-A (JP)
Title: Pendulum mechanism for reciprocating machine section
Inventor: YOOZEFU PIHIRAA
IPC: B41J25/00
Filed: 1983-07-07
Abstract: A rotational movement of a constant speed drive is translated into a linear reciprocating motion having two relatively long, constant slope sections within a cycle, such section occuring in between two sequential reversals, and representing a constant speed. The speed modification is obtained by a universal joint-cross link with oblique axes and a crank output having a linear phase.
Patent JP-S5247216-A (JP)
Title: Converter system for use in battery-driven vehicles
Inventor: GOCHIYOU CHIYOUICHI
IPC: B60L11/18
Filed: 1975-10-13
Abstract: PURPOSE: To provide a converter system for use in battery-driven vehicles, in which a high AC voltage can be supplied from a power source battery of low voltage to driving AC motor and at the same time it is also possible to charge the battery in reverse manner. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S61283389-A (JP)
Title: Removal of sulfate ion
Inventor: FURUSAWA TAKETOSHI
IPC: C02F1/42
Filed: 1985-06-07
Abstract: PURPOSE:To simply remove the sulfate ion in cooling water, by passing cooling water of a diesel engine containing nitrite, phosphate and borate type rust inhibitors through a barium form strong acidic cation exchange resin cylinder. CONSTITUTION:A part of cooling water of a diesel engine containing a rust inhibitor comprising a nitrite type, a phosphate type, a borate type or a mixture thereof is sent to a cartridge type barium form cation exchange resin cylinder 7 through a flowmeter 6 while the flow amount thereof is controlled in the downstream side of a cooling water pump 2 by a flow control valve 5 by throttling a bypass valve 4. The cooling water from which a sulfate ion was removed by the cation exchange resin cylinder 7 is sent to a cooler 3. By this method, the sulfate ion in cooling water is simply and effectively removed.
Patent JP-S5348532-A (JP)
Title: Electrophotographic material
Inventor: ENOMOTO TAKAMICHI
IPC: G03G5/14
Filed: 1976-10-13
Abstract: PURPOSE: The functions intrinstic to a barrier layer are performed without impairing characteristics such as photosensitivity, residual potential, etc. by providing the barrier layer containing peptide polymer between a conductive base and a photosensitive layer. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S6014230-A (JP)
Title: Original image reader
Inventor: SEKO NACHIO
IPC: H04N1/00
Filed: 1983-07-06
Abstract: PURPOSE:To generate no copy mistake by providing a sensor on a position opposed to an exposing position of an original, and displaying whether the original is not inclined but positioned at a prescribed position or not. CONSTITUTION:Signals of an image signal output terminal CS and a noise output terminal OS of an image sensor 15 are fetched respectively in a signal amplifying circuit 42, and brought to differential amplification by an operational amplifier 42a. Also, they are amplified by an operational amplifier 42b, and an output signal Vout is obtained. This signal is applied to an A/D converter 43. The converter 43 is constituted of an analog comparator 43a, an AND gate 43b, an OR gate 43c, etc. An analog signal level applied to an input terminal is discriminated to one of eight stages, and a digital signal encoded to a binary signal of 3-bit. In this example, this 3-bit code corresponds to a photodetecting quantity level at a prescribed position. A copy mistake can be eliminated since this signal is displayed.